Surface board, main rail shorted, can't find where

[survivalbloke]

This is MS board M1029273-001. I'm getting <.2 ohms on output of the second mosfet. Looking at a schematic, I injected 1v/5a to the resistor pin where this mosfet connects to, and it is drawing 3.7a but the only thing getting hot in the thermal camera is this resistor which surprises me.

Where should I be looking from here?

[mon2]

Re: Surface board, main rail shorted, can't find where

Inject the voltage on the OTHER side of this current sense resistor and you should find the guilty party - most likely a shorted cap.

[survivalbloke]

Re: Surface board, main rail shorted, can't find where

Inject the voltage on the OTHER side of this current sense resistor and you should find the guilty party - most likely a shorted cap.

That was it - it was the cap right beside the current sense resistor. Thanks!